Today's news through pictures from Colorado and around the world

Buffalo Bills quarterback EJ Manuel (3) speaks to the media following a morning practice during NFL football training camp in Pittsford, N.Y., Tuesday, July 22, 2014. (AP Photo/Bill Wippert)
Buffalo Bills quarterback EJ Manuel (3) speaks to the media following a morning practice during NFL football training camp in Pittsford, N.Y., Tuesday, July 22,...
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Visitors walk past a plaque marking the George Harrison Tree, in Griffith Park on Tuesday, July 22, 2014. The tree planted in Los Angeles to honor former Beatle George Harrison has been killed by beetles. The pine grew to more than 12 feet tall before succumbing to a bark beetle infestation and removed last month. (AP Photo)
Visitors walk past a plaque marking the George Harrison Tree, in Griffith Park on Tuesday, July 22, 2014. The tree planted in Los Angeles to honor former Beatle...
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Debris is seen in a tree after a home exploded, Tuesday, July 22, 2014, in Willis, Texas. Three adults were flown by LifeFlight medical helicopter to Memorial Hermann-The Texas Medical Center. Details of their injuries were not released, but they were in critical condition, said Jason Oliphant, chief of Montgomery County Emergency Services District No. 1. Oliphant said the home was totally destroyed and small fires burned after the explosion, and it was unclear what sparked the blast.  (AP Photo/Houston Chronicle, Cody Duty)
Debris is seen in a tree after a home exploded, Tuesday, July 22, 2014, in Willis, Texas. Three adults were flown by LifeFlight medical helicopter to Memorial...
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Justin Nucci, a scientist at the Colorado Department of Public Health and Environment, poses with vials containing mosquitoes collected around the state and shipped for testing to the health department in east Denver on Tuesday, July 24, 2007. (AP Photo/David Zalubowski)
Justin Nucci, a scientist at the Colorado Department of Public Health and Environment, poses with vials containing mosquitoes collected around the state and...